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path: root/sound/isa/sb/sb16_csp.c
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Diffstat (limited to 'sound/isa/sb/sb16_csp.c')
-rw-r--r--sound/isa/sb/sb16_csp.c118
1 files changed, 73 insertions, 45 deletions
diff --git a/sound/isa/sb/sb16_csp.c b/sound/isa/sb/sb16_csp.c
index fcd638090a9..48da2276683 100644
--- a/sound/isa/sb/sb16_csp.c
+++ b/sound/isa/sb/sb16_csp.c
@@ -23,10 +23,10 @@
*
*/
-#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/module.h>
#include <sound/core.h>
#include <sound/control.h>
#include <sound/info.h>
@@ -36,6 +36,11 @@
MODULE_AUTHOR("Uros Bizjak <uros@kss-loka.si>");
MODULE_DESCRIPTION("ALSA driver for SB16 Creative Signal Processor");
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("sb16/mulaw_main.csp");
+MODULE_FIRMWARE("sb16/alaw_main.csp");
+MODULE_FIRMWARE("sb16/ima_adpcm_init.csp");
+MODULE_FIRMWARE("sb16/ima_adpcm_playback.csp");
+MODULE_FIRMWARE("sb16/ima_adpcm_capture.csp");
#ifdef SNDRV_LITTLE_ENDIAN
#define CSP_HDR_VALUE(a,b,c,d) ((a) | ((b)<<8) | ((c)<<16) | ((d)<<24))
@@ -111,7 +116,8 @@ static void info_read(struct snd_info_entry *entry, struct snd_info_buffer *buff
int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep)
{
struct snd_sb_csp *p;
- int version, err;
+ int uninitialized_var(version);
+ int err;
struct snd_hwdep *hw;
if (rhwdep)
@@ -161,10 +167,13 @@ int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep)
*/
static void snd_sb_csp_free(struct snd_hwdep *hwdep)
{
+ int i;
struct snd_sb_csp *p = hwdep->private_data;
if (p) {
if (p->running & SNDRV_SB_CSP_ST_RUNNING)
snd_sb_csp_stop(p);
+ for (i = 0; i < ARRAY_SIZE(p->csp_programs); ++i)
+ release_firmware(p->csp_programs[i]);
kfree(p);
}
}
@@ -190,7 +199,8 @@ static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned i
struct snd_sb_csp_start start_info;
int err;
- snd_assert(p != NULL, return -EINVAL);
+ if (snd_BUG_ON(!p))
+ return -EINVAL;
if (snd_sb_csp_check_version(p))
return -ENODEV;
@@ -198,6 +208,7 @@ static int snd_sb_csp_ioctl(struct snd_hwdep * hw, struct file *file, unsigned i
switch (cmd) {
/* get information */
case SNDRV_SB_CSP_IOCTL_INFO:
+ memset(&info, 0, sizeof(info));
*info.codec_name = *p->codec_name;
info.func_nr = p->func_nr;
info.acc_format = p->acc_format;
@@ -317,7 +328,7 @@ static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
return -EFAULT;
if ((file_h.name != RIFF_HEADER) ||
(le32_to_cpu(file_h.len) >= SNDRV_SB_CSP_MAX_MICROCODE_FILE_SIZE - sizeof(file_h))) {
- snd_printd("%s: Invalid RIFF header\n", __FUNCTION__);
+ snd_printd("%s: Invalid RIFF header\n", __func__);
return -EINVAL;
}
data_ptr += sizeof(file_h);
@@ -326,7 +337,7 @@ static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
if (copy_from_user(&item_type, data_ptr, sizeof(item_type)))
return -EFAULT;
if (item_type != CSP__HEADER) {
- snd_printd("%s: Invalid RIFF file type\n", __FUNCTION__);
+ snd_printd("%s: Invalid RIFF file type\n", __func__);
return -EINVAL;
}
data_ptr += sizeof (item_type);
@@ -381,7 +392,7 @@ static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
return -EFAULT;
if (code_h.name != MAIN_HEADER) {
- snd_printd("%s: Missing 'main' microcode\n", __FUNCTION__);
+ snd_printd("%s: Missing 'main' microcode\n", __func__);
return -EINVAL;
}
data_ptr += sizeof(code_h);
@@ -425,7 +436,7 @@ static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
p->acc_format = p->acc_width = p->acc_rates = 0;
p->mode = 0;
snd_printd("%s: Unsupported CSP codec type: 0x%04x\n",
- __FUNCTION__,
+ __func__,
le16_to_cpu(funcdesc_h.VOC_type));
return -EINVAL;
}
@@ -444,7 +455,7 @@ static int snd_sb_csp_riff_load(struct snd_sb_csp * p,
return 0;
}
}
- snd_printd("%s: Function #%d not found\n", __FUNCTION__, info.func_req);
+ snd_printd("%s: Function #%d not found\n", __func__, info.func_req);
return -EINVAL;
}
@@ -598,7 +609,7 @@ static int get_version(struct snd_sb *chip)
static int snd_sb_csp_check_version(struct snd_sb_csp * p)
{
if (p->version < 0x10 || p->version > 0x1f) {
- snd_printd("%s: Invalid CSP version: 0x%x\n", __FUNCTION__, p->version);
+ snd_printd("%s: Invalid CSP version: 0x%x\n", __func__, p->version);
return 1;
}
return 0;
@@ -617,7 +628,7 @@ static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int
spin_lock_irqsave(&p->chip->reg_lock, flags);
snd_sbdsp_command(p->chip, 0x01); /* CSP download command */
if (snd_sbdsp_get_byte(p->chip)) {
- snd_printd("%s: Download command failed\n", __FUNCTION__);
+ snd_printd("%s: Download command failed\n", __func__);
goto __fail;
}
/* Send CSP low byte (size - 1) */
@@ -644,7 +655,7 @@ static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int
udelay (10);
}
if (status != 0x55) {
- snd_printd("%s: Microcode initialization failed\n", __FUNCTION__);
+ snd_printd("%s: Microcode initialization failed\n", __func__);
goto __fail;
}
} else {
@@ -675,19 +686,41 @@ static int snd_sb_csp_load(struct snd_sb_csp * p, const unsigned char *buf, int
static int snd_sb_csp_load_user(struct snd_sb_csp * p, const unsigned char __user *buf, int size, int load_flags)
{
- int err = -ENOMEM;
- unsigned char *kbuf = kmalloc(size, GFP_KERNEL);
- if (kbuf) {
- if (copy_from_user(kbuf, buf, size))
- err = -EFAULT;
- else
- err = snd_sb_csp_load(p, kbuf, size, load_flags);
- kfree(kbuf);
- }
+ int err;
+ unsigned char *kbuf;
+
+ kbuf = memdup_user(buf, size);
+ if (IS_ERR(kbuf))
+ return PTR_ERR(kbuf);
+
+ err = snd_sb_csp_load(p, kbuf, size, load_flags);
+
+ kfree(kbuf);
return err;
}
-#include "sb16_csp_codecs.h"
+static int snd_sb_csp_firmware_load(struct snd_sb_csp *p, int index, int flags)
+{
+ static const char *const names[] = {
+ "sb16/mulaw_main.csp",
+ "sb16/alaw_main.csp",
+ "sb16/ima_adpcm_init.csp",
+ "sb16/ima_adpcm_playback.csp",
+ "sb16/ima_adpcm_capture.csp",
+ };
+ const struct firmware *program;
+
+ BUILD_BUG_ON(ARRAY_SIZE(names) != CSP_PROGRAM_COUNT);
+ program = p->csp_programs[index];
+ if (!program) {
+ int err = request_firmware(&program, names[index],
+ p->chip->card->dev);
+ if (err < 0)
+ return err;
+ p->csp_programs[index] = program;
+ }
+ return snd_sb_csp_load(p, program->data, program->size, flags);
+}
/*
* autoload hardware codec if necessary
@@ -708,27 +741,27 @@ static int snd_sb_csp_autoload(struct snd_sb_csp * p, int pcm_sfmt, int play_rec
} else {
switch (pcm_sfmt) {
case SNDRV_PCM_FORMAT_MU_LAW:
- err = snd_sb_csp_load(p, &mulaw_main[0], sizeof(mulaw_main), 0);
+ err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_MULAW, 0);
p->acc_format = SNDRV_PCM_FMTBIT_MU_LAW;
p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE;
break;
case SNDRV_PCM_FORMAT_A_LAW:
- err = snd_sb_csp_load(p, &alaw_main[0], sizeof(alaw_main), 0);
+ err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ALAW, 0);
p->acc_format = SNDRV_PCM_FMTBIT_A_LAW;
p->mode = SNDRV_SB_CSP_MODE_DSP_READ | SNDRV_SB_CSP_MODE_DSP_WRITE;
break;
case SNDRV_PCM_FORMAT_IMA_ADPCM:
- err = snd_sb_csp_load(p, &ima_adpcm_init[0], sizeof(ima_adpcm_init),
- SNDRV_SB_CSP_LOAD_INITBLOCK);
+ err = snd_sb_csp_firmware_load(p, CSP_PROGRAM_ADPCM_INIT,
+ SNDRV_SB_CSP_LOAD_INITBLOCK);
if (err)
break;
if (play_rec_mode == SNDRV_SB_CSP_MODE_DSP_WRITE) {
- err = snd_sb_csp_load(p, &ima_adpcm_playback[0],
- sizeof(ima_adpcm_playback), 0);
+ err = snd_sb_csp_firmware_load
+ (p, CSP_PROGRAM_ADPCM_PLAYBACK, 0);
p->mode = SNDRV_SB_CSP_MODE_DSP_WRITE;
} else {
- err = snd_sb_csp_load(p, &ima_adpcm_capture[0],
- sizeof(ima_adpcm_capture), 0);
+ err = snd_sb_csp_firmware_load
+ (p, CSP_PROGRAM_ADPCM_CAPTURE, 0);
p->mode = SNDRV_SB_CSP_MODE_DSP_READ;
}
p->acc_format = SNDRV_PCM_FMTBIT_IMA_ADPCM;
@@ -773,19 +806,19 @@ static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channel
unsigned long flags;
if (!(p->running & (SNDRV_SB_CSP_ST_LOADED | SNDRV_SB_CSP_ST_AUTO))) {
- snd_printd("%s: Microcode not loaded\n", __FUNCTION__);
+ snd_printd("%s: Microcode not loaded\n", __func__);
return -ENXIO;
}
if (p->running & SNDRV_SB_CSP_ST_RUNNING) {
- snd_printd("%s: CSP already running\n", __FUNCTION__);
+ snd_printd("%s: CSP already running\n", __func__);
return -EBUSY;
}
if (!(sample_width & p->acc_width)) {
- snd_printd("%s: Unsupported PCM sample width\n", __FUNCTION__);
+ snd_printd("%s: Unsupported PCM sample width\n", __func__);
return -EINVAL;
}
if (!(channels & p->acc_channels)) {
- snd_printd("%s: Invalid number of channels\n", __FUNCTION__);
+ snd_printd("%s: Invalid number of channels\n", __func__);
return -EINVAL;
}
@@ -807,11 +840,11 @@ static int snd_sb_csp_start(struct snd_sb_csp * p, int sample_width, int channel
s_type |= 0x22; /* 00dX 00dX (d = 1 if 8 bit samples) */
if (set_codec_parameter(p->chip, 0x81, s_type)) {
- snd_printd("%s: Set sample type command failed\n", __FUNCTION__);
+ snd_printd("%s: Set sample type command failed\n", __func__);
goto __fail;
}
if (set_codec_parameter(p->chip, 0x80, 0x00)) {
- snd_printd("%s: Codec start command failed\n", __FUNCTION__);
+ snd_printd("%s: Codec start command failed\n", __func__);
goto __fail;
}
p->run_width = sample_width;
@@ -928,14 +961,7 @@ static int snd_sb_csp_restart(struct snd_sb_csp * p)
* QSound mixer control for PCM
*/
-static int snd_sb_qsound_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
-{
- uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
- uinfo->count = 1;
- uinfo->value.integer.min = 0;
- uinfo->value.integer.max = 1;
- return 0;
-}
+#define snd_sb_qsound_switch_info snd_ctl_boolean_mono_info
static int snd_sb_qsound_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
@@ -1024,7 +1050,8 @@ static int snd_sb_qsound_build(struct snd_sb_csp * p)
struct snd_card *card;
int err;
- snd_assert(p != NULL, return -EINVAL);
+ if (snd_BUG_ON(!p))
+ return -EINVAL;
card = p->chip->card;
p->qpos_left = p->qpos_right = SNDRV_SB_CSP_QSOUND_MAX_RIGHT / 2;
@@ -1049,7 +1076,8 @@ static void snd_sb_qsound_destroy(struct snd_sb_csp * p)
struct snd_card *card;
unsigned long flags;
- snd_assert(p != NULL, return);
+ if (snd_BUG_ON(!p))
+ return;
card = p->chip->card;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 23:30:49 +0000